connorhaugh

## Description this PR adds the ability for DD to gather traces in celery tasks, something NR does automatically. I know this is DD specific code, but a long-term solution...

Feat add dd and otel celery tasks

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**Description:** Adds an initialize_celery_monitoring util to allow celery tasks to be monitored by the Open Telemetry and Datadog providers. edx-platform PR to follow. **JIRA:** https://github.com/edx/edx-arch-experiments/issues/584 **Testing instructions:** 1. Set this...

feat: remove jumpnav-flags

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DO NOT MERGE YET: WAITING ON SUFFICIENT TIME SINCE JUMPNAV RELEASE

[DEPR]: Legacy ("V1") Content Libraries

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This deprecation is blocked by the Libraries Relaunch,which is expected in Sumac. There will be a 1-2 release period of overlapping support between Legacy Libraries and relaunched Libraries. ### Proposal...